//seleccion de la hoja de estilos en funcion de navegador/version
var browser;
if (navigator.platform.indexOf('MacPPC') >= 0) {
	if (navigator.userAgent.indexOf('MSIE 5') >= 0) {	document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_macie5x.css">');	} 
	else {document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_mac.css">');	} 
}
else {
	if((navigator.appName=="Microsoft Internet Explorer")&&(parseInt(navigator.appVersion)>=4))	document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_pcexplorer4x.css">');
	else if((navigator.appName=="Netscape")&&(navigator.appVersion.indexOf("4.")>=0))	document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_pcnetscape4x.css">'); 
	else if((navigator.appName=="Netscape")&&(navigator.appVersion.indexOf("5.")>=0))	document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_pcnetscape5x.css">');
	else	document.writeln('<LINK rel="stylesheet" type="text/css" href="/site/mod/s_pcnetscape4x.css">');
}